Resistor 12 kohm-0.25W

Handling & Safety

Always confirm the rating, polarity and pinout of a resistor before installing it, and avoid exceeding its rated voltage or current. Use proper ESD precautions with sensitive parts. These steps protect your circuit and keep your work safe.

Why Choose This Resistor

First, it is a widely used part in electronics repair, prototyping and assembly, so it fits into most existing projects easily. Second, the value, rating or pin count is clearly stated, so you can match it to your circuit with confidence. Third, our team checks basic function before it ships. So, you avoid guesswork when you order. As a result, this is a dependable choice for repair, prototyping or a finished project.

Usage Tips

Before soldering or installing, match the value, package and pin layout with your circuit diagram. Therefore, you avoid a wrong fit or a damaged board. Also, keep small parts stored in labeled bags so values do not get mixed up during a project. As a result, your build stays organized and easier to troubleshoot.

Good to Know

A well-matched resistor saves time on the job later. Therefore, double-check the value, rating and pin layout against your circuit before relying on it in a final build. Also, keep the original packaging until you have tested the part, since this makes any exchange easier if something is not right. As a result, your project stays reliable with fewer surprises.

12K Ohm Resistor 0.25W – Overview

The 12K Ohm Resistor 0.25W is a carbon film fixed resistor with a resistance value of 12,000 ohms and a power rating of 0.25 watts (1/4 watt). The 12K Ohm Resistor 0.25W features a tolerance of plus or minus 5% with color-coded bands printed on the body for quick and easy identification, making it one of the most widely used components in electronic circuits worldwide. Its axial lead design allows direct insertion into breadboards and PCBs, and its compact size makes it easy to handle in any project. Suitable for both beginners and professionals in electronics.

الوصف بالعربي

مقاومة 12 كيلو أوم بقدرة ربع وات (0.25W) من نوع Carbon Film، وهي من أكثر المقاومات استخداماً في الدوائر الإلكترونية بسبب موثوقيتها وسعرها المناسب. تتميز بدقة تفاوت ±5% ويمكن التعرف على قيمتها بسهولة عبر نظام الألوان (Color Bands) المطبوع على جسمها. تصلح لمشاريع Arduino والدوائر التناظرية وتقسيم الجهد والدوائر المنطقية. يمكن استخدامها مباشرة على Breadboard أو تثبيتها على لوحات PCB بسهولة نظراً لتصميمها Axial Lead القياسي.

Features

• Resistance Value: 12,000 ohms (12K Ohm)
• Power Rating: 0.25W (1/4 Watt)
• Tolerance: plus or minus 5%
• Type: Carbon Film, Axial Lead through-hole
• Color Code: Standard 4-band color coding system
• Operating Temperature Range: -55 degrees C to +155 degrees C
• RoHS Compliant – lead-free and environmentally safe

Applications

• Voltage divider circuits and analog bias networks
• Current limiting resistor for LEDs, transistors, and ICs
• Pull-up and pull-down resistors in microcontroller digital circuits
• Arduino, ESP32, Raspberry Pi, and general MCU projects
• Signal conditioning, RC filter circuits, and timing networks
• Sensor interface circuits and measurement applications

Technical Background

Carbon film resistors are manufactured by depositing a thin carbon film on a ceramic substrate, then cutting a spiral groove to achieve the desired resistance value. This construction method results in lower noise levels compared to carbon composition resistors, and better stability over temperature changes. The 12K Ohm Resistor 0.25W in particular is widely stocked in electronics labs and workshops due to its versatility across a broad range of circuit applications, from simple LED current limiters to more complex analog filter and sensor interface designs.

Usage Notes

تأكد دائماً من قراءة قيمة المقاومة بشكل صحيح باستخدام كود الألوان أو جهاز الملتيميتر قبل التركيب في الدائرة. لا تتجاوز الحمل المحدد بـ 0.25 وات لتجنب تلف المقاومة أو الدائرة. Browse our full range of for all available values and types. For technical reference, see Resistor on Wikipedia.

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